import Vue from 'vue'
import Router from 'vue-router'
import routers from './routers'
import store from '@/store'
import iView from "iview";
import {setToken, getToken, canTurnTo, setTitle} from '@/libs/util'
import homeName from '@/config'
Vue.use(Router)
// const originalPush = Router.prototype.push;
// Router.prototype.push = function push(location) {
//   return originalPush.call(this, location).catch(err => err)
// };
const router = new Router({
  routes: routers,
  mode: 'history',
})


const turnTo = (to, access, next) => {
  // if (canTurnTo(to.name, access, routes)) next() // 有权限，可访问
  // else next({replace: true, name: 'error_401'}) // 无权限，重定向到401页面
  next()
}

const LOGIN_PAGE_NAME = 'login'
router.beforeEach((to, from, next) => {
  iView.LoadingBar.start()
  const token = getToken()
  if (!token && to.name !== LOGIN_PAGE_NAME) {
    // 未登录且要跳转的页面不是登录页
    next({
      name: LOGIN_PAGE_NAME // 跳转到登录页
    })
  } else if (!token && to.name === LOGIN_PAGE_NAME) {
    // 未登陆且要跳转的页面是登录页
    next() // 跳转
  } else if (token && to.name === LOGIN_PAGE_NAME) {
    // 已登录且要跳转的页面是登录页
    next({
      name: homeName // 跳转到homeName页
    })
  } else {
    // if (store.state.user.hasGetInfo) {
      turnTo(to, store.state.user.access, next)
    // } else {
    //   store.dispatch('getUserInfo').then(user => {
    //     // 拉取用户信息，通过用户权限和跳转的页面的name来判断是否有权限访问;access必须是一个数组，如：['super_admin'] ['super_admin', 'admin']
    //     turnTo(to, user.access, next)
    //   }).catch(() => {
    //     setToken('')
    //     next({
    //       name: 'login'
    //     })
    //   })
    // }
  }
})

router.afterEach(to => {
  setTitle(to, router.app)
  iView.LoadingBar.finish()
  window.scrollTo(0, 0)
})

export default router
